Nicholas Hacko Watchmaker: 'Mystery' Rolex Table Clock
K&Co - Old Omega table clock in the form of a glass ball mounting of brass, with white
A Collection of Twenty-Four Glass Ball Clocks, By Various Makers such Tiffany's and other Manufactures, Late 19th Century/20th Century | Classic Design: Furniture, Silver & Ceramics | 2023 | Sotheby's
Glass Ball Clock | Collectors Weekly
Swiss Calendar Glass Ball Clock | Pieces of Time Ltd